adaptor.extract_secret

adaptor.extract_secret "psbt" Recover adaptor secrets from a finalized PSBT that spent Taproot inputs (key-path or annotated script-path) using adaptor signatures. Arguments: 1. psbt (string, required) Base64-encoded PSBT Result: { (json object) "secrets" : [ (json array) Recovered adaptor secrets { (json object) "index" : n, (numeric) Input index "secret" : "hex" (string) Adaptor secret (32-byte hex) }, ... ] } Examples: > bitcoin-cli adaptor.prepare "psbt_base64"

Signature

adaptor.extract_secret(psbt: string) → any

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"adaptor.extract_secret","params":["\"<psbt>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli adaptor.prepare "psbt_base64"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "adaptor.extract_secret",
        "params": ["\"<psbt>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "adaptor.extract_secret",
    params: ["\"<psbt>\""],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
psbt	`string`	yes	Base64-encoded PSBT

Result

Type: any

{ (json object) "secrets" : [ (json array) Recovered adaptor secrets { (json object) "index" : n, (numeric) Input index "secret" : "hex" (string) Adaptor secret (32-byte hex) }, ... ] }

Source: services/core-node/bcore/src/wallet/rpc/adaptor.cpp:3835

C++ symbol: adaptor_extract_secret

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"adaptor.extract_secret","params":["\"<psbt>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli adaptor.prepare "psbt_base64"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "adaptor.extract_secret",
        "params": ["\"<psbt>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "adaptor.extract_secret",
    params: ["\"<psbt>\""],
  }),
});
console.log(await res.json());